<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <!--让文本框的值双向绑定-->
<input type="text" placeholder="请输入1-100之间的整数"  v-model="num">
  <input type="button" value="猜一猜" @click="f()">
  <h1>{{info}}</h1>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<script>
  let x=parseInt(Math.random()*100)+1
   let v=new Vue({
    el:"div",
       data:{
           info:"",
           num:""
       },

       methods:{
        f(){
            if (v.num>x){
                v.info="猜大了!";
            }else if (v.num<x){
                v.info="猜小了!";
            }else{
                v.info="恭喜你猜对了"
            }
        }
       }
  })



</script>

</body>
</html>